The present invention relates to a self-aligning connector (11) for data and/or power transmission, a connector assembly comprising a first connector (11) and a second connector (13) and a vehicle comprising a first (1) and a second (3) compartment separated by a wall (5), a bellows assembly (9) and a connector assembly. The self-aligning connector (11) comprises a base plate (17), a plurality of data and/or power contact elements (19,21) arranged on the base plate (17), first (23) and second (25) positioning means attached to the base plate (17), a mounting means (35) and a frame assembly (33) connecting the base plate (17) to the mounting means (35) and comprising a plurality of frames (31,37,39), wherein each frame (31,37,39) is directly connected to exactly two elements (17,31,35,37,39) selected from a group comprising the plurality of frames (31,37,39), the mounting means (35) and the base plate (17) and wherein each frame (31,37,39) is tiltable at least about one axis (41,43,49) and/or displacable in at least one direction with respect to each element (17,31,35,37,39) it is directly connected to.
